PDF malware analysis — malicious · 4d6b390a5bf31e07

MALICIOUS

PDF

66.5 KB Created: 2020-07-24 06:14:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7cb6c6bfb47977b463c1a00a2bbed392 SHA-1: c860db3f3178ad257f57a9a6b363a433d7150525 SHA-256: 4d6b390a5bf31e07f3be4c7468426dc617d27ac5c0e891134a5dbaf2b5ebce59

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, suggests a template or lure. The presence of a visual download button further supports a malicious workflow. The primary malicious IOC is the redirector URL, which likely leads to a phishing page or malware download.

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://ttraff.ru/pify?keyword=adv+synth+catal+template
- http://files.huronbpa.com/uploads/1/3/0/7/130738534/juposuvisajuba-linufi-zumasibodib.pdf
- http://files.natangweruben.com/uploads/1/3/1/4/131454986/sakuxumuk_janido_woneturaradu_titoxe.pdf
- http://files.nokillhuntsville.com/uploads/1/3/1/4/131455883/jalupi.pdf
- http://files.kimajgoldsmith.com/uploads/1/3/2/8/132816165/gesubadakite.pdf
- http://files.chelseaforbrook.com/uploads/1/3/0/7/130775977/3859751.pdf
- https://cdn.shopify.com/s/files/1/0431/2452/3169/files/95004936081.pdf
- https://cdn.shopify.com/s/files/1/0431/5299/8556/files/13423842592.pdf
- https://cdn.shopify.com/s/files/1/0434/2788/9304/files/suxexozezotez.pdf
- https://cdn.shopify.com/s/files/1/0432/0182/2875/files/xixafoxobusowudi.pdf
- https://cdn.shopify.com/s/files/1/0431/2252/4326/files/32200205081.pdf
- https://cdn.shopify.com/s/files/1/0436/9927/3896/files/xetaviv.pdf
- https://cdn.shopify.com/s/files/1/0430/7661/6341/files/sozijukos.pdf
- https://cdn.shopify.com/s/files/1/0430/9693/2505/files/tajefubi.pdf
- https://cdn.shopify.com/s/files/1/0428/8266/2553/files/72461776650.pdf
- https://cdn.shopify.com/s/files/1/0433/4387/2153/files/jodexawawenifufad.pdf
- https://cdn.shopify.com/s/files/1/0432/5359/6310/files/21300892183.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c673.bin` `9059395a54f3c9b9bf752b25f0a42b5644d88e9cf9c360b2be2ab2e2dd5cc630`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC673	5000 bytes
`font_01_sfnt_off0000d74b.bin` `7d57b977589dcc1c21131d4e30b2cee49a75a2523d03911d92cb8b50d9b34386`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD74B	10972 bytes

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